.nav{
    margin-top: 39px;
}
.nav .nav_span{
    float: left;
    margin-right: 10px;
}
.el-breadcrumb{
    color: #a6a6a6;
    font-size: 16px;
}
/deep/.el-breadcrumb__inner{
    color: #a6a6a6;
}
/deep/.el-breadcrumb__item:last-child .el-breadcrumb__inner{
    font-weight: 500;
}
/deep/.el-breadcrumb__inner.is-link:hover{
    color: #a6a6a6;
}
/deep/.el-breadcrumb__inner.is-link{
    font-weight: 400;
    color: #a6a6a6;
}
.video{
    border-bottom: 1px solid #ebebeb;
}
.video video{
    height: 675px;
    width: 100%;
    margin-top: 40px;
    margin-bottom: 37px;
}
.video .video_title{
    font-size: 18px;
    font-weight: 400;
    text-align: left;
    color: #797f8a;
}
.video .miaoshu{
    font-size: 20px;
    font-weight: 500;
    text-align: left;
    color: #363940;
    margin-top: 15px;
    margin-bottom: 40px;
}
.summary{
    margin: 39px 0;
}
.summary .summary_top{
    margin-bottom: 40px;
    display: flex;
    justify-content: left;
}
.left_border{
    width: 6px;
    height: 22px;
    background: linear-gradient(#fc7767 0%, #ec412f 100%);
    border-radius: 3px;
    margin-right: 12px;
}
.summary .summary_top .text{
    line-height: 22px;
    font-size: 24px;
    font-weight: 500;
    text-align: left;
    color: #363940;
}
.summary_bottom{
    margin-left: 18px;
    font-size: 20px;
    font-weight: 400;
    text-align: left;
    color: #787d89;
}
.recommend{
    margin: 39px 0;
}
.recommend .recommend_top{
    margin-bottom: 40px;
    display: flex;
    justify-content: left;
}
.left_border{
    width: 6px;
    height: 22px;
    background: linear-gradient(#fc7767 0%, #ec412f 100%);
    border-radius: 3px;
    margin-right: 12px;
}
.recommend .recommend_top .text{
    line-height: 22px;
    font-size: 24px;
    font-weight: 500;
    text-align: left;
    color: #363940;
}
.recommend_bottom{
   margin-bottom: 21px;
}
.recommend_bottom ul{
    display: flex;
    flex-wrap: wrap;
}
.recommend_bottom ul li {
    width: 374px;
    margin-bottom: 30px;
}
.recommend_bottom ul li:nth-child(3n-1){
    margin: 0 39px;
  
}
.recommend_bottom ul li .thumbnail{
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 210px;
    border-radius: 14px;
    box-shadow: 0px 6px 16px 0px rgba(0,0,0,0.3); 
    
}
.recommend_bottom ul li .thumbnail h4{
    width: 289px;
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    color: #ffffff;
    overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}
.recommend_bottom ul li .thumbnail .play{
    height: 14px;
    font-size: 18px;
    line-height: 14px;
    font-weight: 400;
    text-align: left;
    color: #ffffff;
    position: absolute;
    top: 14px;
    right: 14px;
}
.recommend_bottom ul li .thumbnail .recommend_kemu{
    width: 320px;
    position: absolute;
    bottom: 20px;
    font-size: 18px;
    line-height: 20px;
    font-weight: 400;
    text-align: center;
    color: #ffffff;
    overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 1;
	-webkit-box-orient: vertical;
}